Best Quality H12-261 Exam Questions Huawei Test To Gain Brilliante Result!
Preparations of H12-261 Exam 2021 HCNP-R&S Unlimited 498 Questions
NEW QUESTION 250
Which of the following statements regarding LDP reliability is false?
- A. By default, the policy for manually configuring LDP FRR specifies that backup routes with 32-bit addresses should trigger the setup of a backup LDP L5P.
- B. LDP FRR can generate an LSP as the backup of the primary L5P based on Label Mapping messages that are not from the optimal next hop. LDP FRR establishes forwarding entries for the backup LSP.
- C. Synchronization between LDP and IGP requires suppression of IGP route advertisement to achieve consistent LDP and IGP.
- D. LDP Graceful Restart (GR) leverages the separation of the forwarding plane and control plane by MPLS to ensure uninterrupted traffic transmission during a protocol restart or active/standby switchover.
Answer: D
NEW QUESTION 251
In which of the following scenarios will gratuitous ARP packets be sent?
- A. The master and backup devices are elected in VRRP.
- B. A new host with an IP address is connected to the network.
- C. A host connected to the switch sends a ping packet.
- D. The DHCP client receives an acknowledgment message from the server
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 252
As shown in the figure, 1 2 , , URPP routers share the traffic between the branch network load network and the branch network. In this case, configure the router physical interface.
Source address bullying must use loose mode P to spoof.
- A. True
- B. False
Answer: A
NEW QUESTION 253
xThe existing Route-policy is as follows:
Ip community-filter 1 permit 100:1 ip as-path-filter 2 permit^100$
Route-policytest permit node 10
If-match community-filter 1
If-match as-path-filter 2
Apply as-path 200
What is the correct description about the above configuration?
- A. As long as the route bearer attribute BGP 100:1 BGP route-policy has a group value, the route will match the above. Matching route The AS_PATH 200 attribute will be changed to
- B. Only if the BGP AS-PATH 100 BGP route-policy AS_PATH route is carried as , the route will match the above. Matching route Sex will be changed to 200
- C. The route matches the above only if the BGP 100:1 AS-PATH 100 BGP route- policy route-routed carrier attribute has a value of quo.
Policy AS-PATH 20 AS_PATH 200 . The attribute of the matching route will be changed to the attribute of the matching route will be changed to - D. Only if the BGP 100:1 AS_PATH 100 BGP route carry attribute has a value of or , the route will match the above
Answer: C
NEW QUESTION 254
The five classes in the OSPF LSA LSA are used for external route delivery.
- A. In the five types of LSA FA FA 0.0.0.0, the address is included, but the reservation is not effective.
- B. The external routing meter can be calculated by the ASBR LSA LSA in the same area as the router in
the same area. - C. Category 5 LSA ASBR Stub/NSSA OSPF is advertised and flooded in the network in the non-region
- D. The strategies for configuring the phase can be five ABR ASBR LSA should filter the class
Answer: A
NEW QUESTION 255
A BD in a VXLAN can map to multiple VNIs.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 256
An enterprise sets up an OSPF network with the topology and areas shown in the diagram. OSPF adjacencies are formed between all devices on all links and all loopback interface addresses are advertised by OSPF. A fault occurs and the links from R1 to S2 and R2 to S1 fail. Which of the following statements are true? (Choose all that apply.)
- A. R5 can learn the route to the loopback interface of R2.
- B. R3 can not learn the route to the loopback interface of R2.
- C. R3 can learn the route to the loopback interface of R2.
- D. R1 can learn the route to the loopback interface of R2.
Answer: A,B
NEW QUESTION 257
BGP BGP introduces other post-routing protocols. The next hop in the routing table is consistent with the next hop of the redistributed route.
- A. Error
- B. Correct
Answer: A
NEW QUESTION 258
A (*,G) multicast entry is associated with which multicast type of feature within the HW IP multicast network? (Multiple Choice)
- A. Sparse Mode
- B. Dense Mode
- C. Dense Tree
- D. Shared tree
- E. PIM bidirectional
- F. Source tree
Answer: A,D,E
NEW QUESTION 259
In the broadcast network OSPF RTA.RTB.RTC RTD DR 2. 1. 1 0 network, there are four routers in the same network segment, and its first priority is and Router ID 192.168.1.1.192.168.2. respectively 1.192.168.3.1 192.168.4.1. 4 and if enabled on this router, OSPF is enabled.
The OSPF BDR is elected as
- A. RTC
- B. RTA
- C. RTD
- D. RTB
Answer: A
NEW QUESTION 260
The HTTP protocol is based on TCP. Therefore, TCP flood attacks and HTTP flood attacks are defended against in the same way.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
Explanation
NEW QUESTION 261
You must configure a router to policy route specific traffic across an interface. What are the two best types of information that can be used to direct traffic along this route when using policy based routing?
- A. Type of service header and packet length
- B. The Source IP address and the layer 2 source address
- C. The source IP Address and the protocol (such as FTP, HTTP, and others)
- D. The packet time to live (TTL) and the source IP Address
Answer: C
NEW QUESTION 262
Which of the following statements are true about the extended features of IS-IS? (Multiple Choice)
- A. If some devices from other vendors are deployed on the network and these devices do not support the IS-IS LSP fragment extension function, the fragment extension mode must be set to Mode-1; otherwise, the devices from other vendors cannot identify the packets.
- B. After the IS-IS LSP fragment extension function is enabled, the IS-IS process does not need to be restarted.
- C. If the link state PDUs to be advertised by IS-IS contain a lot of information, the IS-IS router generates more LSP fragments to carry more IS-IS information.
- D. IS-IS can choose whether to authenticate and verify the received SNP and LSP packets.
Answer: A,C,D
NEW QUESTION 263
The following is true about the route aggregation method.
- A. Route aggregation can only be configured on the router to take effect level--1
- B. Route aggregation can only be configured on the router to take effect level--2
- C. Route aggregation can only be configured on the router to take effect level--1-2
- D. Route aggregation can be configured and valid on all routers.
Answer: D
NEW QUESTION 264
HTTP TCP TCP Flood The HTTP Flood protocol is based on , so you can use the attack defense method to
defend against attacks.
- A. Error
- B. Correct
Answer: A
NEW QUESTION 265
In order to check the router R1 ""R1 "display ip routing-table" R1 OSPF routing table, execute the command
on the route. Router running protocol. Below
What is the correct description of the information in the routing table is OSPF?
- A. In the routing table, the routing table with the indicator is introduced from other programs to the "OSPF"
OSPF 7 LSA standard. - B. In the routing table, all types of LSAs have unique destination addresses.
- C. In the routing table, the routing table with the indicator can only be used to refer to the "O_ASE" tag
that is learned by the route. - D. In the routing table, the routing table with the indicator indicates that the table is "O_ASE". 1 LSA 2
LSA is marked with the identifier that the item is classified or learned. - E. In the routing table, the route marked with the indicator indicates that the internal route of the area is
"O_IA".
Answer: C
NEW QUESTION 266
In the running broadcast router, the PIM-SM DR DR group needs to be elected for the source or end broadcast
data, and the following is selected.
Which rule is the correct one?
- A. The router with a small IP DR address is elected as
- B. Compare the DR PIM IP DR priority first, first the same priority level, and the ratio is higher than the
router interface address. - C. DR PIM DR priority value The router with the lowest priority is elected as
- D. Interface mask length The PIM DR router is elected as
Answer: B
NEW QUESTION 267
The following information about the MPLS label describes the error?
- A. When the label value is 0, IPv4, the label is displayed. The label should be played, and the text must be based on the report.
- B. By default, the support device PHP PHP Egress 3 feature, supported point allocation, the second-to-last hop point, the section label value
- C. If the bottom label stack in the identifier is S=0 IP, it indicates that the label stack label is directly forwarded.
- D. The length of the MPLS 4 label is encapsulated between the link layer of the road and the network.
Answer: C
NEW QUESTION 268
Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?
- A. Filtering policies can be configured on ABRs or ASBRs to filter Type 5 LSAs.
- B. A Type 5 LSA contains the FA address, which is 0.0.0.0.The FA address is reserved only and does not take effect.
- C. Routers in the same area as the ASBR can calculate external routes through intra-area LSAs and Type 5 LSAs.
- D. Type 5 LSAs are advertised by ASBRs and flooded on OSPF networks except stub areas and NSSAs.
Answer: A
NEW QUESTION 269
As shown in the figure, in the broadcast mode of the MPLS bgp VPN hub&spoke group, the branch can only
communicate with the department to achieve the total and branch communication.
Which of the following settings can be set for RT?
- A. Headquarters: Import Target 1:1 Export Targe : Division Division t:3:3 1: Import Target: 3:3 Export
Target:1:1 2: Import
Target: 3:3 Export Target: 2:2 - B. Headquarters: Import Target: 12:3 Export Target: 3:12 1: Import Tar Division Division get:3:12 Export
Target:12:3 2: Import
Target: 3:12 Export Target: 12:3 - C. Headquarters: Import Target 12:3 Export Targe : Division Division t:12:3 1: Import Target:12:3 Export
Target:12:3 2: Import
Target:12:3 Export Target:12:3 - D. Headquarters: Import Target 2:2 Export Targe : Division Division t:3:3 1: Import Target:3:3 Export
Target:1:1 2: Import
Target: 3:3 Export Target: 2:2
Answer: B
NEW QUESTION 270
OSPFv3 OSPFv2 OSPFv3 protocol Single-issue protocol is a separate one. It differs from the other in terms of
road-based rather than network segment chain.
The next thing is to say the mistake ?
- A. In addition to the virtual connection, all interfaces use the address of the address composition OSPFv3
Link-local - B. Pairing the two routers connected to the road, even if you do not configure the broadcast IPv6 address,
you can establish a neighbor. - C. The OSPFv3 Link-local router obtains the next hop of the neighboring address from the neighboring
routing information. - D. Two routers connected to the link, even if their IPv6 addresses are differently suffixed, they can still
establish a neighbor relationship.
Answer: A
NEW QUESTION 271
OSPF is running on a network. In OSPF, what LSA type would only cause an Incremental SPF calculation?
(Multiple Choice)
- A. Type 2
- B. Type 4
- C. Type 1
- D. Type 3
- E. Type 5
Answer: B,D,E
NEW QUESTION 272
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